190262500

素因数分解:

$2^2\times 5^5\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 430472448

約数和(自身を除く): 240209948

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 491, 500, 620, 625, 775, 982, 1250, 1550, 1964, 2455, 2500, 3100, 3125, 3875, 4910, 6250, 7750, 9820, 12275, 12500, 15221, 15500, 19375, 24550, 30442, 38750, 49100, 60884, 61375, 76105, 77500, 96875, 122750, 152210, 193750, 245500, 304420, 306875, 380525, 387500, 613750, 761050, 1227500, 1522100, 1534375, 1902625, 3068750, 3805250, 6137500, 7610500, 9513125, 19026250, 38052500, 47565625, 95131250, 190262500]

約数ペア:

[(1, 190262500), (2, 95131250), (4, 47565625), (5, 38052500), (10, 19026250), (20, 9513125), (25, 7610500), (31, 6137500), (50, 3805250), (62, 3068750), (100, 1902625), (124, 1534375), (125, 1522100), (155, 1227500), (250, 761050), (310, 613750), (491, 387500), (500, 380525), (620, 306875), (625, 304420), (775, 245500), (982, 193750), (1250, 152210), (1550, 122750), (1964, 96875), (2455, 77500), (2500, 76105), (3100, 61375), (3125, 60884), (3875, 49100), (4910, 38750), (6250, 30442), (7750, 24550), (9820, 19375), (12275, 15500), (12500, 15221)]